Home / 63,143.85-94,720.44-18,163.40

Finding the Fourth Proportional to 63,143.85, 94,720.44 and 18,163.40

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Solution

The fourth proportional to 63,143.85, 94,720.44 and 18,163.40 is: 27,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.85 : 94,720.44 = 18,163.40 : x
  2. Step 2: Convert to fraction form
    63,143.85/94,720.44 = 18,163.40/x
  3. Step 3: Cross multiply
    63,143.85x = 94,720.44 × 18,163.40
  4. Step 4: Simplify right side
    63,143.85x = 1,720,444,766.29
  5. Step 5: Solve for x
    x = 1,720,444,766.29/63,143.85
  6. Step 6: Final answer
    x = 27,246.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.